let hasMoney =true
let hasTime = true
console.log (hasMoney&&hasMoney)//true
hasTime=false
console.log(hasMoney&&hasMoney)//false
let hasCard =false
let hasCash =true
console.log(hasCard||hasCash)//true
hasCash=false
console.log(hasCard||hasCash)//false
let isRaining =true
console.log("isRaining:",!isRaining)//false

console.log(!!"Hello")//true
console.log(!!0)//false

